Homework Options for lesson 11 due Friday
Option#1
Write paragraph at least ½ page explaining why it is important that the lungs have a large surface area. page 570 in textbook
Option#2
Research what happens during an asthma attack. What makes breathing so difficult? What do people do to relieve asthma attacks?
Option#3
Draw a person who lives on a planet where the atmosphere contains only 10 percent of the amount of oxygen in Earth’s atmosphere. Write a paragraph that explains why you drew the person as she did.
\Option#4
Research and write ½ to 1 page report on how singers and other performers can be trained to control their diaphragm when they perform.
Option #5 Work the following problem:
Suppose a 13-year-old girl breathes about 17 times per minute at rest. She moves about 400 cubic centimeters (cm3) of air into and out of her respiratory system with each breath. After exercising, she breathes about 35 times per minute and moves about 1000 cm3 with each breath.
A. What is the total volume of air moved in 1 minute at rest?
B. What is the total volume of air moved in 1 minute after exercise?
C. Why does the amount of air moved with each breath increase after exercise?
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